*{
    margin: 0;
    padding: 0;
    list-style: none;
}
body{
    width: 1903px;
    overflow-x: hidden;
}
h1{
    text-align: center;
}
.cTitle{
    margin: 20px 0;
}
.cTitle ul{
    position: relative;
    height: 30px;
    width: 300px;
    margin: auto;
}
.cTitle li{
    position: absolute;
    width: 50px;
    height: 30px;
    font-size: 20px;
    border-radius: 3px;
}
.cTitle span{
    cursor: pointer;
    display: inline-block;
    width: 50px;
    height: 30px;
    text-align: center;
}
.cTitle li:nth-of-type(1){
    left: 0;
}
.cTitle li:nth-of-type(2){
    left: 125px;
    color: orange;
}
.cTitle li:nth-of-type(3){
    right: 0;
}
.cContent,
.nContent,
.pContent{
    width: 1300px;
    margin: auto;
    background-color: #f5f5f5;
}
.itemContent,
itemContent1{
    overflow: hidden;
}
.itemContent li,
.itemContent1 li{
    width: 300px;
    height: 350px;
    border-radius: 10px;
    overflow: hidden;
    background-color: #fff;
    float: left;
    margin-right: 33px;
    margin-bottom: 20px;
}
.itemContent li:nth-of-type(4n),
.itemContent1 li:nth-of-type(4n){
    margin-right: 0px;
}
.itemContent img,
.itemContent1 img{
    width: 300px;
    height: 180px;
    /* margin-left: 10px; */
    margin-bottom: 20px;
}
.itemContent h3,
.itemContent1 h3{
    margin-left: 20px;
    margin-bottom: 20px;
}
.itemContent p,
.itemContent1 p{
    color: rgb(134, 134, 134);
    margin: 20px;
}
.itemContent span,
.itemContent1 span{
    margin-left: 20px;
}